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Re: Combine known_cond() may create subreg of const_int
- From: "John David Anglin" <dave at hiauly1 dot hia dot nrc dot ca>
- To: gcc-patches at gcc dot gnu dot org
- Cc: aoliva at redhat dot com
- Date: Mon, 11 Feb 2002 22:12:01 -0500 (EST)
- Subject: Re: Combine known_cond() may create subreg of const_int
>> Alexandre Oliva wrote:-
>>> This patch arranges for us to attempt to simplify the subreg before we
>>> lose track of its mode. However, I wonder if it would be best to fold
>>> this logic into do_SUBST, and/or to handle ZERO_EXTEND and SIGN_EXTEND
>>> similarly. Is this ok to install?
>
>> Is there no test case for this?
>
>Building libstdc++-v3 for sh64-elf -m5-64media.
It also looks as if it will fix a bootstrap problem on hppa64-hp-hpux11.11:
<http://gcc.gnu.org/ml/gcc-patches/2002-01/msg02082.html>.
Dave
--
J. David Anglin dave.anglin@nrc.ca
National Research Council of Canada (613) 990-0752 (FAX: 952-6605)